Articles | Volume 8, issue 1
SOIL, 8, 283–295, 2022
https://doi.org/10.5194/soil-8-283-2022
SOIL, 8, 283–295, 2022
https://doi.org/10.5194/soil-8-283-2022
Original research article
07 Apr 2022
Original research article | 07 Apr 2022

Reusing Fe water treatment residual as a soil amendment to improve physical function and flood resilience

Heather C. Kerr et al.

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Cited articles

Agyin-Birikorang, S., O'connor, G. A., Jacobs, L. W., Makris, K. C., and Brinton, S. R.: Long-term phosphorus immobilization by a drinking water treatment residual, J. Environ. Qual., 36, 316–323, 2007. 
Babatunde, A. O., Zhao, Y. Q., Burke, A. M., Morris, M. A., and Hanrahan, J. P.: Characterization of aluminium-based water treatment residual for potential phosphorus removal in engineered wetlands, Environ. Pollut., 157, 2830–2836, https://doi.org/10.1016/j.envpol.2009.04.016, 2009. 
Basim, S. C.: Physical and geotechnical characterization of water treatment plant residuals, Dissertation, New Jersey Institute of Technology, 977, https://digitalcommons.njit.edu/dissertations/977 (last access: 25 August 2021), 1999. 
Basta, N. T.: Examples and case studies of beneficial re-use of municipal by-products, Chap. 17, in: Land application of agricultural, industrial, and municipal by-products, Book Series No. 6, edited by: Power, J. F. and Dick, W. A., Soil Science Society of America, Madison, WI, https://doi.org/10.2136/sssabookser6.c17, 2000. 
Boivin, P., Schäffer, B., and Sturny, W.: Quantifying the relationship between soil organic carbon and soil physical properties using shrinkage modelling, Eur. J. Soil Sci., 60, 265–275, https://doi.org/10.1111/j.1365-2389.2008.01107.x, 2009. 
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Short summary
Adding an organo-mineral waste product from clean water treatment (WTR) is beneficial for a soil’s water retention, permeability, and strength properties. WTR added on its own significantly improves the shear strength and saturated hydraulic conductivity of soil. The co-application of WTR with compost provides the same benefits whilst also improving soil’s water retention properties, which is beneficial for environmental applications where the soil health is critical.